The Crimson-breasted Flowerpecker is a small bird of lowland forests in Southeast Asia. Males have conspicuous red patches on the head and breast, and the species feeds mainly on fruit.
Adult males have blue-gray upperparts, yellow underparts, a bold white cheek stripe, and red patches on the crown and breast. Females and juveniles are olive-brown above with dull yellow to gray-white underparts and dull orange on the crown.
It feeds mainly on fruit and uses lowland forest, peat-swamp forest, forest edges, and secondary growth.
An extinction-risk assessment has not been added yet.